| Updated Subcategory: (Federal) | W1KNE | 2024-01-10 08:42:19 |
| Updated Subcategory: (Federal) | W1KNE | 2024-01-10 08:41:56 |
| Frequencies Updated (Updated: 1, Deleted 0) for Manchester Airport (MHT) | w1kne | 2019-11-19 17:37:21 |
| Added Frequency 172.900 (Transportation Security Administration (With Analog Speech Inversion)) | Lynch_Christopher | 2011-02-13 10:32:04 |
| Frequencies Updated (Updated: 1, Deleted 0) for Federal | Lynch_Christopher | 2011-02-13 10:30:46 |
| Added Frequency 172.9000 (Transportation Security Administration (TSA)) | ericcarlson | 2007-12-30 16:21:29 |
| Sub-category (New SubCategory - CHANGE THIS NAME Sort 99) changed to (Federal Sort: 80) | ericcarlson | 2007-12-30 16:21:03 |
| Category (Manchester Airport (MHT)) added | ericcarlson | 2007-12-30 16:20:52 |
